UNIX for Advanced & Expert Users

                      ...When  invoked  as  sh,  bash
       enters posix mode after the startup files are read.

$ for i in a b c
> do
> echo $i
> done
a
b
c
$ history
...
960 for i in a b c
  do
  echo $i
  done

$ for i in a b c
> do
> echo $i
> done
a
b
c
$ history
  ...
  245  for i in a b c; do echo $i; done

$ ksh --version
  version         sh (AT&T Research) 1993-12-28 s+
$ ksh
$ set -o emacs
$ for a in 1 2 3
> do
> echo $a
> done
1
2
3
$ for a in 1 2 3
>